(7-12 grade toxicology
Introduce the principles of toxicology
with a lab activity. By exposing blackworms to a toxicant in varying
concentrations, participants collect and analyze data, and witness
and discuss concepts - including exposure pathways, nature of effects,
acute and chronic exposure, dose-response, and reversible and irreversible
is made available with permission from the Center for Chemical
at Miami University and has been modified
from the "Toxicants and California Blackworms" activity
developed by the Center for Chemical Education at Miami University
(available as the "original activity").
See the INTRODUCTION TO TOXICOLOGY PowerPoint
This provides background Information for “Toxicity Testing
with California Blackworms and Alcohol” activity.
Testing with California Blackworms
version is appropriate for middle and high school students
and requires a minimum of 1 1/2 hours. Students use lab
measurement skills to prepare their own solutions. This
version looks more directly at the toxic effect of alcohol
on the worms.
activity was presented at the 2002 Annual Meeting of the Society
Using mystery to capture student interest
The "Mystery" version
is more about an environmental situation, using the worms
as indicator species, This
version is appropriate for upper elementary to middle school
students and requires about 45 minutes.The alcohol solutions
are made in advance for the students.
Environmental Health Sciences Center
University of Arizona College of Pharmacy, Room 244
PO Box 210207, Tucson, AZ, USA 85721-0207 firstname.lastname@example.org